build android 4.4.2_r2

Change-Id: I41823f0f7a121cc4ae688aaacb0faa7b68be7501
sync default.xml with android-4.4.2_r2

Change-Id: I0d3390fd9fadb1e1b3dcaa6a3c26f4ed341a4958
remove obsolete files

Change-Id: I383a6b8ec1a9d7fd965cf46cc357198fbfddee87
fix aosp fetch url

Change-Id: I312cffb8aa520be3e0ba56a46fa540cd7649bc94
removed device/xilinx/gralloc for now

Change-Id: I347d05cb545069534b6682d14c93342d271295ff
Merge remote-tracking branch 'zynq-android4/android-4.4' into default

Conflicts:
	default.xml

Change-Id: Ieb13fe59961c9c9b2109c25757dabd3efa1750d8